211081780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{115979}}^1$

素因数の和:116008

約数の個数: 48

約数和(自身を含む): 545569920

約数和(自身を除く): 334488140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 115979, 231958, 463916, 579895, 811853, 1159790, 1507727, 1623706, 2319580, 3015454, 3247412, 4059265, 6030908, 7538635, 8118530, 10554089, 15077270, 16237060, 21108178, 30154540, 42216356, 52770445, 105540890, 211081780]

約数ペア:

[(1, 211081780), (2, 105540890), (4, 52770445), (5, 42216356), (7, 30154540), (10, 21108178), (13, 16237060), (14, 15077270), (20, 10554089), (26, 8118530), (28, 7538635), (35, 6030908), (52, 4059265), (65, 3247412), (70, 3015454), (91, 2319580), (130, 1623706), (140, 1507727), (182, 1159790), (260, 811853), (364, 579895), (455, 463916), (910, 231958), (1820, 115979)]